Effect of long-term straw return on organic matter transformation by hydroxyl radical during paddy soil oxygenation

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成果类型：

期刊论文

作者：

Xiao, Yanqi;Peng, Wei;Fu, Junhong;Ning, Yaqi;Cui, Hao-jie*;...

通讯作者：

Cui, Hao-jie;Liao, WJ

作者机构：

[Liao, WJ; Cui, Hao-jie; Xiao, Yanqi; Fu, Junhong; Cui, HJ; Liao, Wenjuan; Peng, Wei; Zhou, Weijun; Ning, Yaqi] Hunan Agr Univ, Coll Resources, Changsha 410128, Peoples R China.

[Liao, Wenjuan] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430078, Peoples R China.

[Cheng, Dong] Zhejiang Univ Technol, Coll Environm, Hangzhou 310014, Peoples R China.

[Zhang, Na] Hengshui Univ, Hebei Key Lab Wetland Ecol & Conservat, Hengshui 053000, Peoples R China.

通讯机构：

[Liao, WJ ; Cui, HJ] H

Hunan Agr Univ, Coll Resources, Changsha 410128, Peoples R China.

语种：

英文

关键词：

Straw return;Fe(II) species;Hydroxyl radicals;Organic carbon mineralization;Paddy soils

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2024

卷：

482

DOI：

10.1016/j.cej.2024.148974

基金类别：

Natural Science Foundation of China [42277291, 22106140, 41771272]; Natural Science Foundation of Hunan Province [2021JJ40256]; Scientific Research Fund of Hunan Provincial Education Department [275116]; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences [GBL22109]; Open Foundation of Hebei Key Laboratory of Wetland Ecology and Conservation [hklk202302]; Opening Fund of the State Key Laboratory of Environmental Geochemistry [SKLEG2023202]

机构署名：

本校为第一且通讯机构

摘要：

The generation of hydroxyl radicals (center dot OH) mediated by Fe(II) has drawn increasing amounts of attention due to its significant role in the transformation of soil organic carbon (SOM) during redox fluctuations in paddy soil. This study further examined the effect of long-term (since 1984) straw return on Fe(II) on driving center dot OH formation and SOM transformation upon paddy soils oxygenation. We found that long-term straw return could inhibit the center dot OH and CO2 production in abiotic processes. The center dot OH production de...

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Effect of long-term straw return on organic matter transformation by hydroxyl radical during paddy soil oxygenation

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